Complete the "Grand Tour" Special Event.

Win your first A-Spec event race.

Complete the B License.

Take down Castro with a headshot.

Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Break free from the torture chair.

Tie up 15 enemy combatants instead of executing them

Kill 150 enemies with pistols

Versus: Create a custom facemask online (www.armyoftwo.com) and wear it in a public match

Complete the game on any difficulty level

Kill 400 enemies with assault rifles, submachine guns or shotguns

Complete Chapter 4 on any difficulty level

Kill 3 or more enemies with a single grenade